Air freshener



FIG. 1 is a front, right side, and top perspective view of an air freshener showing the new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a top plan view thereof. 

CLAIM The ornamental design for an air freshener, as shown and described. 